| Irmo to Borsbeek | 4,254.27 mi (6,846.59 km) |
| Irmo to Boussu | 4,244.31 mi (6,830.56 km) |
| Irmo to Braine-l'Alleud | 4,262.12 mi (6,859.22 km) |
| Irmo to Braine-le-Chateau | 4,257.74 mi (6,852.18 km) |
| Irmo to Braine-le-Comte | 4,254.25 mi (6,846.55 km) |
| Irmo to Brasschaat | 4,252.31 mi (6,843.43 km) |
| Irmo to Brecht | 4,256.79 mi (6,850.64 km) |
| Irmo to Bredene | 4,192.03 mi (6,746.42 km) |
| Irmo to Bree | 4,300.52 mi (6,921.02 km) |
| Irmo to Bruges | 4,202.75 mi (6,763.68 km) |
| Irmo to Brussels | 4,257.36 mi (6,851.55 km) |
| Irmo to Buggenhout | 4,247.47 mi (6,835.65 km) |
| Irmo to Chapelle-lez-Herlaimont | 4,263.62 mi (6,861.64 km) |
| Irmo to Charleroi | 4,271.42 mi (6,874.18 km) |
| Irmo to Chatelet | 4,274.86 mi (6,879.72 km) |
